Category: Physics, Earth & Space
For Earth-like Planets, You Need the Right Galactic Environment
It could be that for an Earth-like planet to form, the metallicity of its solar and galactic neighborhood needs to be close to that of our early solar system.
No, Determinism in Nature Has Not Been Demonstrated Scientifically
Jerry Coyne is a professor of evolution at the University of Chicago. He has written extensively about his denial that we have libertarian free will.
We Sure Are Lucky to Have Our Moon (Among Other Things)
Along with those we’ve already discussed in this series, further parameters must be added to the list of conditions for a life-supporting planet.
Notwithstanding What Bill Nye Says, the Sun Is Not an “Unremarkable” Star
For a planet to be habitable, its star must also meet certain standards.
In Search of Circumstellar Habitable Zones
Astrobiologists have used the term for many decades. This shell encompasses the distance at which a planet in a fairly circular orbit could maintain liquid water on its surface.